The bears may be gone, but their old cages can still be found.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The Burnside Fountain and its questionable interpretation.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

The land is home to swimming ponies and a legendary 18th-century treasure.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The graves of a Connecticut family thought to have been plagued by a vampire.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

An Irish Memorial commemorating those who perished due to potato blight.

The world’s first penitentiary, meant to be humane, drove men insane.